caddy/caddyfile/parse_test.go
2017-10-13 11:04:44 -04:00

558 lines
13 KiB
Go

// Copyright 2015 Light Code Labs, LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package caddyfile
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"testing"
)
func TestAllTokens(t *testing.T) {
input := strings.NewReader("a b c\nd e")
expected := []string{"a", "b", "c", "d", "e"}
tokens, err := allTokens(input)
if err != nil {
t.Fatalf("Expected no error, got %v", err)
}
if len(tokens) != len(expected) {
t.Fatalf("Expected %d tokens, got %d", len(expected), len(tokens))
}
for i, val := range expected {
if tokens[i].Text != val {
t.Errorf("Token %d should be '%s' but was '%s'", i, val, tokens[i].Text)
}
}
}
func TestParseOneAndImport(t *testing.T) {
testParseOne := func(input string) (ServerBlock, error) {
p := testParser(input)
p.Next() // parseOne doesn't call Next() to start, so we must
err := p.parseOne()
return p.block, err
}
for i, test := range []struct {
input string
shouldErr bool
keys []string
tokens map[string]int // map of directive name to number of tokens expected
}{
{`localhost`, false, []string{
"localhost",
}, map[string]int{}},
{`localhost
dir1`, false, []string{
"localhost",
}, map[string]int{
"dir1": 1,
}},
{`localhost:1234
dir1 foo bar`, false, []string{
"localhost:1234",
}, map[string]int{
"dir1": 3,
}},
{`localhost {
dir1
}`, false, []string{
"localhost",
}, map[string]int{
"dir1": 1,
}},
{`localhost:1234 {
dir1 foo bar
dir2
}`, false, []string{
"localhost:1234",
}, map[string]int{
"dir1": 3,
"dir2": 1,
}},
{`http://localhost https://localhost
dir1 foo bar`, false, []string{
"http://localhost",
"https://localhost",
}, map[string]int{
"dir1": 3,
}},
{`http://localhost https://localhost {
dir1 foo bar
}`, false, []string{
"http://localhost",
"https://localhost",
}, map[string]int{
"dir1": 3,
}},
{`http://localhost, https://localhost {
dir1 foo bar
}`, false, []string{
"http://localhost",
"https://localhost",
}, map[string]int{
"dir1": 3,
}},
{`http://localhost, {
}`, true, []string{
"http://localhost",
}, map[string]int{}},
{`host1:80, http://host2.com
dir1 foo bar
dir2 baz`, false, []string{
"host1:80",
"http://host2.com",
}, map[string]int{
"dir1": 3,
"dir2": 2,
}},
{`http://host1.com,
http://host2.com,
https://host3.com`, false, []string{
"http://host1.com",
"http://host2.com",
"https://host3.com",
}, map[string]int{}},
{`http://host1.com:1234, https://host2.com
dir1 foo {
bar baz
}
dir2`, false, []string{
"http://host1.com:1234",
"https://host2.com",
}, map[string]int{
"dir1": 6,
"dir2": 1,
}},
{`127.0.0.1
dir1 {
bar baz
}
dir2 {
foo bar
}`, false, []string{
"127.0.0.1",
}, map[string]int{
"dir1": 5,
"dir2": 5,
}},
{`localhost
dir1 {
foo`, true, []string{
"localhost",
}, map[string]int{
"dir1": 3,
}},
{`localhost
dir1 {
}`, false, []string{
"localhost",
}, map[string]int{
"dir1": 3,
}},
{`localhost
dir1 {
} }`, true, []string{
"localhost",
}, map[string]int{
"dir1": 3,
}},
{`localhost
dir1 {
nested {
foo
}
}
dir2 foo bar`, false, []string{
"localhost",
}, map[string]int{
"dir1": 7,
"dir2": 3,
}},
{``, false, []string{}, map[string]int{}},
{`localhost
dir1 arg1
import testdata/import_test1.txt`, false, []string{
"localhost",
}, map[string]int{
"dir1": 2,
"dir2": 3,
"dir3": 1,
}},
{`import testdata/import_test2.txt`, false, []string{
"host1",
}, map[string]int{
"dir1": 1,
"dir2": 2,
}},
{`import testdata/import_test1.txt testdata/import_test2.txt`, true, []string{}, map[string]int{}},
{`import testdata/not_found.txt`, true, []string{}, map[string]int{}},
{`""`, false, []string{}, map[string]int{}},
{``, false, []string{}, map[string]int{}},
} {
result, err := testParseOne(test.input)
if test.shouldErr && err == nil {
t.Errorf("Test %d: Expected an error, but didn't get one", i)
}
if !test.shouldErr && err != nil {
t.Errorf("Test %d: Expected no error, but got: %v", i, err)
}
if len(result.Keys) != len(test.keys) {
t.Errorf("Test %d: Expected %d keys, got %d",
i, len(test.keys), len(result.Keys))
continue
}
for j, addr := range result.Keys {
if addr != test.keys[j] {
t.Errorf("Test %d, key %d: Expected '%s', but was '%s'",
i, j, test.keys[j], addr)
}
}
if len(result.Tokens) != len(test.tokens) {
t.Errorf("Test %d: Expected %d directives, had %d",
i, len(test.tokens), len(result.Tokens))
continue
}
for directive, tokens := range result.Tokens {
if len(tokens) != test.tokens[directive] {
t.Errorf("Test %d, directive '%s': Expected %d tokens, counted %d",
i, directive, test.tokens[directive], len(tokens))
continue
}
}
}
}
func TestRecursiveImport(t *testing.T) {
testParseOne := func(input string) (ServerBlock, error) {
p := testParser(input)
p.Next() // parseOne doesn't call Next() to start, so we must
err := p.parseOne()
return p.block, err
}
isExpected := func(got ServerBlock) bool {
if len(got.Keys) != 1 || got.Keys[0] != "localhost" {
t.Errorf("got keys unexpected: expect localhost, got %v", got.Keys)
return false
}
if len(got.Tokens) != 2 {
t.Errorf("got wrong number of tokens: expect 2, got %d", len(got.Tokens))
return false
}
if len(got.Tokens["dir1"]) != 1 || len(got.Tokens["dir2"]) != 2 {
t.Errorf("got unexpect tokens: %v", got.Tokens)
return false
}
return true
}
recursiveFile1, err := filepath.Abs("testdata/recursive_import_test1")
if err != nil {
t.Fatal(err)
}
recursiveFile2, err := filepath.Abs("testdata/recursive_import_test2")
if err != nil {
t.Fatal(err)
}
// test relative recursive import
err = ioutil.WriteFile(recursiveFile1, []byte(
`localhost
dir1
import recursive_import_test2`), 0644)
if err != nil {
t.Fatal(err)
}
defer os.Remove(recursiveFile1)
err = ioutil.WriteFile(recursiveFile2, []byte("dir2 1"), 0644)
if err != nil {
t.Fatal(err)
}
defer os.Remove(recursiveFile2)
// import absolute path
result, err := testParseOne("import " + recursiveFile1)
if err != nil {
t.Fatal(err)
}
if !isExpected(result) {
t.Error("absolute+relative import failed")
}
// import relative path
result, err = testParseOne("import testdata/recursive_import_test1")
if err != nil {
t.Fatal(err)
}
if !isExpected(result) {
t.Error("relative+relative import failed")
}
// test absolute recursive import
err = ioutil.WriteFile(recursiveFile1, []byte(
`localhost
dir1
import `+recursiveFile2), 0644)
if err != nil {
t.Fatal(err)
}
// import absolute path
result, err = testParseOne("import " + recursiveFile1)
if err != nil {
t.Fatal(err)
}
if !isExpected(result) {
t.Error("absolute+absolute import failed")
}
// import relative path
result, err = testParseOne("import testdata/recursive_import_test1")
if err != nil {
t.Fatal(err)
}
if !isExpected(result) {
t.Error("relative+absolute import failed")
}
}
func TestParseAll(t *testing.T) {
for i, test := range []struct {
input string
shouldErr bool
keys [][]string // keys per server block, in order
}{
{`localhost`, false, [][]string{
{"localhost"},
}},
{`localhost:1234`, false, [][]string{
{"localhost:1234"},
}},
{`localhost:1234 {
}
localhost:2015 {
}`, false, [][]string{
{"localhost:1234"},
{"localhost:2015"},
}},
{`localhost:1234, http://host2`, false, [][]string{
{"localhost:1234", "http://host2"},
}},
{`localhost:1234, http://host2,`, true, [][]string{}},
{`http://host1.com, http://host2.com {
}
https://host3.com, https://host4.com {
}`, false, [][]string{
{"http://host1.com", "http://host2.com"},
{"https://host3.com", "https://host4.com"},
}},
{`import testdata/import_glob*.txt`, false, [][]string{
{"glob0.host0"},
{"glob0.host1"},
{"glob1.host0"},
{"glob2.host0"},
}},
{`import notfound/*`, false, [][]string{}}, // glob needn't error with no matches
{`import notfound/file.conf`, true, [][]string{}}, // but a specific file should
} {
p := testParser(test.input)
blocks, err := p.parseAll()
if test.shouldErr && err == nil {
t.Errorf("Test %d: Expected an error, but didn't get one", i)
}
if !test.shouldErr && err != nil {
t.Errorf("Test %d: Expected no error, but got: %v", i, err)
}
if len(blocks) != len(test.keys) {
t.Errorf("Test %d: Expected %d server blocks, got %d",
i, len(test.keys), len(blocks))
continue
}
for j, block := range blocks {
if len(block.Keys) != len(test.keys[j]) {
t.Errorf("Test %d: Expected %d keys in block %d, got %d",
i, len(test.keys[j]), j, len(block.Keys))
continue
}
for k, addr := range block.Keys {
if addr != test.keys[j][k] {
t.Errorf("Test %d, block %d, key %d: Expected '%s', but got '%s'",
i, j, k, test.keys[j][k], addr)
}
}
}
}
}
func TestEnvironmentReplacement(t *testing.T) {
os.Setenv("PORT", "8080")
os.Setenv("ADDRESS", "servername.com")
os.Setenv("FOOBAR", "foobar")
// basic test; unix-style env vars
p := testParser(`{$ADDRESS}`)
blocks, _ := p.parseAll()
if actual, expected := blocks[0].Keys[0], "servername.com"; expected != actual {
t.Errorf("Expected key to be '%s' but was '%s'", expected, actual)
}
// multiple vars per token
p = testParser(`{$ADDRESS}:{$PORT}`)
blocks, _ = p.parseAll()
if actual, expected := blocks[0].Keys[0], "servername.com:8080"; expected != actual {
t.Errorf("Expected key to be '%s' but was '%s'", expected, actual)
}
// windows-style var and unix style in same token
p = testParser(`{%ADDRESS%}:{$PORT}`)
blocks, _ = p.parseAll()
if actual, expected := blocks[0].Keys[0], "servername.com:8080"; expected != actual {
t.Errorf("Expected key to be '%s' but was '%s'", expected, actual)
}
// reverse order
p = testParser(`{$ADDRESS}:{%PORT%}`)
blocks, _ = p.parseAll()
if actual, expected := blocks[0].Keys[0], "servername.com:8080"; expected != actual {
t.Errorf("Expected key to be '%s' but was '%s'", expected, actual)
}
// env var in server block body as argument
p = testParser(":{%PORT%}\ndir1 {$FOOBAR}")
blocks, _ = p.parseAll()
if actual, expected := blocks[0].Keys[0], ":8080"; expected != actual {
t.Errorf("Expected key to be '%s' but was '%s'", expected, actual)
}
if actual, expected := blocks[0].Tokens["dir1"][1].Text, "foobar"; expected != actual {
t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual)
}
// combined windows env vars in argument
p = testParser(":{%PORT%}\ndir1 {%ADDRESS%}/{%FOOBAR%}")
blocks, _ = p.parseAll()
if actual, expected := blocks[0].Tokens["dir1"][1].Text, "servername.com/foobar"; expected != actual {
t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual)
}
// malformed env var (windows)
p = testParser(":1234\ndir1 {%ADDRESS}")
blocks, _ = p.parseAll()
if actual, expected := blocks[0].Tokens["dir1"][1].Text, "{%ADDRESS}"; expected != actual {
t.Errorf("Expected host to be '%s' but was '%s'", expected, actual)
}
// malformed (non-existent) env var (unix)
p = testParser(`:{$PORT$}`)
blocks, _ = p.parseAll()
if actual, expected := blocks[0].Keys[0], ":"; expected != actual {
t.Errorf("Expected key to be '%s' but was '%s'", expected, actual)
}
// in quoted field
p = testParser(":1234\ndir1 \"Test {$FOOBAR} test\"")
blocks, _ = p.parseAll()
if actual, expected := blocks[0].Tokens["dir1"][1].Text, "Test foobar test"; expected != actual {
t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual)
}
}
func testParser(input string) parser {
buf := strings.NewReader(input)
p := parser{Dispenser: NewDispenser("Caddyfile", buf)}
return p
}
func TestMacro(t *testing.T) {
for _, tst := range []string{"(common)", "macro common"} {
t.Run(tst, func(t *testing.T) {
p := testParser(fmt.Sprintf(`
%s {
gzip foo
errors stderr
}
http://example.com {
import common
}
`, tst))
blocks, err := p.parseAll()
if err != nil {
t.Fatal(err)
}
for _, b := range blocks {
t.Log(b.Keys)
t.Log(b.Tokens)
}
if len(blocks) != 1 {
t.Fatalf("Expect exactly one server block. Got %d.", len(blocks))
}
if actual, expected := blocks[0].Keys[0], "http://example.com"; expected != actual {
t.Errorf("Expected server name to be '%s' but was '%s'", expected, actual)
}
if len(blocks[0].Tokens) != 2 {
t.Fatalf("Server block should have tokens from import")
}
if actual, expected := blocks[0].Tokens["gzip"][0].Text, "gzip"; expected != actual {
t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual)
}
if actual, expected := blocks[0].Tokens["errors"][1].Text, "stderr"; expected != actual {
t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual)
}
})
}
}